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(11)

EP 2 756 611 A1

(12)

(43) Date of publication: 23.07.2014 Bulletin 2014/30 (21) Application number: 12784769.7 (22) Date of filing: 13.09.2012

(51) International Patent Classification (IPC):  H04B 7/08(2006.01) (86) International application number: PCT/US2012/055062 (87) International publication number: WO 2013/040151 (21.03.2013 Gazette 2013/12)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR (30) Priority: 13.09.2011 US 201113231804 (71) Applicant: Apple Inc. Cupertino, CA 95014 (US)

(72) Inventors: MUJTABA, Syed, Aon Cupertino, CA 95014 (US) SONG, Kee-Bong Cupertino, CA 95014 (US) WANG, Xiaowen Cupertino, CA 95014 (US) KIM, Young, Jae Cupertino, CA 95014 (US) MAJJIGI, Vinay, R. Cupertino, CA 95014 (US) SEBENI, Johnson, O. Cupertino, CA 95014 (US) TRILLING, Romain Cupertino, CA 95014 (US) SHAMIM, Tahir Cupertino, CA 95014 (US) ANATHARAMAN, Karthik Cupertino, CA 95014 (US) (74) Representative: Keseris, Denis  Withers & Rogers LLP 4 More London Riverside London SE1 2AU London SE1 2AU (GB)